<template>
  <div class="wrap">
    <swiper :options="swiperOption" v-if="showSwiper">
      <!-- slides -->
      <swiper-slide v-for="item of list" :key="item.id">
        <img :src="item.imgUrl" :alt="item.imgUrl">
      </swiper-slide>
      <!-- Optional controls -->
      <div class="swiper-pagination"  slot="pagination"></div>
      <!-- <div class="swiper-button-prev" slot="button-prev"></div>
      <div class="swiper-button-next" slot="button-next"></div>
      <div class="swiper-scrollbar"   slot="scrollbar"></div> -->
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeSwiper',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        // some swiper options/callbacks
        // 所有的参数同 swiper 官方 api 参数
        pagination: '.swiper-pagination',
        loop: true
      }
    }
  },
  computed: {
    showSwiper () {
      return this.list.length
    }
  }
}
</script>

<style lang="stylus" scoped>
.wrap >>> .swiper-pagination-bullet-active {
  background : red;
}
.wrap
  overflow: hidden
  width: 100%
  height: 0
  padding-bottom: 31.5%
  img
    width : 100%
</style>
